| | 1 | /* |
| | 2 | * Copyright (c) 2000-2019 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ |
| | 29 | /*- |
| | 30 | * Copyright (c) 1990, 1993 |
| | 31 | * The Regents of the University of California. All rights reserved. |
| | 32 | * (c) UNIX System Laboratories, Inc. |
| | 33 | * All or some portions of this file are derived from material licensed |
| | 34 | * to the University of California by American Telephone and Telegraph |
| | 35 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
| | 36 | * the permission of UNIX System Laboratories, Inc. |
| | 37 | * |
| | 38 | * Redistribution and use in source and binary forms, with or without |
| | 39 | * modification, are permitted provided that the following conditions |
| | 40 | * are met: |
| | 41 | * 1. Redistributions of source code must retain the above copyright |
| | 42 | * notice, this list of conditions and the following disclaimer. |
| | 43 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 44 | * notice, this list of conditions and the following disclaimer in the |
| | 45 | * documentation and/or other materials provided with the distribution. |
| | 46 | * 3. All advertising materials mentioning features or use of this software |
| | 47 | * must display the following acknowledgement: |
| | 48 | * This product includes software developed by the University of |
| | 49 | * California, Berkeley and its contributors. |
| | 50 | * 4. Neither the name of the University nor the names of its contributors |
| | 51 | * may be used to endorse or promote products derived from this software |
| | 52 | * without specific prior written permission. |
| | 53 | * |
| | 54 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 55 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 57 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 60 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 62 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 63 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 64 | * SUCH DAMAGE. |
| | 65 | * |
| | 66 | * @(#)kernel.h 8.3 (Berkeley) 1/21/94 |
| | 67 | */ |
| | 68 | #ifndef _SYS_KERNEL_H_ |
| | 69 | #define _SYS_KERNEL_H_ |
| | 70 | |
| | 71 | #include <sys/appleapiopts.h> |
| | 72 | |
| | 73 | #ifdef KERNEL |
| | 74 | |
| | 75 | #include <sys/param.h> |
| | 76 | |
| | 77 | #ifdef BSD_KERNEL_PRIVATE |
| | 78 | #include <stdbool.h> |
| | 79 | #include <kern/locks.h> |
| | 80 | |
| | 81 | /* Global variables for the kernel. */ |
| | 82 | |
| | 83 | /* 1.1 */ |
| | 84 | extern long hostid; |
| | 85 | extern char hostname[MAXHOSTNAMELEN]; |
| | 86 | extern lck_mtx_t hostname_lock; |
| | 87 | extern char domainname[MAXHOSTNAMELEN]; |
| | 88 | extern lck_mtx_t domainname_lock; |
| | 89 | |
| | 90 | /* 1.2 */ |
| | 91 | extern int stathz; /* statistics clock's frequency */ |
| | 92 | extern int profhz; /* profiling clock's frequency */ |
| | 93 | |
| | 94 | extern bool send_sigsys; |
| | 95 | #endif /* BSD_KERNEL_PRIVATE */ |
| | 96 | |
| | 97 | |
| | 98 | #ifdef KERNEL_PRIVATE |
| | 99 | extern struct timezone tz; /* XXX */ |
| | 100 | |
| | 101 | extern int tick; /* usec per tick (1000000 / hz) */ |
| | 102 | extern int hz; /* system clock's frequency */ |
| | 103 | |
| | 104 | #endif /* KERNEL_PRIVATE */ |
| | 105 | |
| | 106 | #endif /* KERNEL */ |
| | 107 | |
| | 108 | #endif /* !_SYS_KERNEL_H_ */ |
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